In the United States, Independence Day, known as, and more commonly referred to by the phrase "Fourth of July", is a federal holiday commemorating the adoption of the Declaration of Independence on July 4, 1776, declaring independence from the Kingdom of Great Britain.
Independence Day is commonly associated with fireworks, parades, barbecues, carnivals, fairs, picnics, concerts, baseball games, political speeches and ceremonies, and various other public and private events celebrating the history, government, and traditions of the United States.
Independence Day is the national day of the United States. (via wikipedia)
I hope that Google will make a logo for Malaysian Independence day on 31st of August too!